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Tag: "cement" at biology news

Researchers examine carbon capture and storage to combat global warming

...ies that burn fossil fuels-such as power plants or cement factories-would be candidates for the technology, he said. Capturing carbon dioxide from small, mobile sources, such as cars, would be more difficult, Orr said. But with power plants comprising 40 percent of the world's fossil fuel-derived carbon ...

Scientists find a key to immune system's ability to remember

...fected cells, foreign cells and cancer cells -- to cement the memory induced by cell surface sensors known as antigen receptors that act to identify the signatures of pathogens like measles virus and HIV, agents that hide inside cells. Lck is important in helping "naive" T cells -- those cells that have ...

Bioactive cement scaffold may improve bone grafts

...ed with a patient's own cells and is formed with a cement paste made of minerals also found in natural bone....t the cells during the 30 minutes required for the cement to harden. Future experiments will develop methods for improving the material's mechanical propertie...

New book highlights world's borderless conservation areas

...partnership with CEMEX, one of the world's largest cement producers, Conservation International and Agrupaci�n Sierra Madre, with the collaboration of IUCN�The World Conservation Union and the International League of Conservation Photographers. "Transboundary Conservation is the 13th in our series of con...

Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality

... world's largest consumer of copper, aluminium and cement and the second bigger importer of oil. Car ownership within the country has been doubling every few years. "China's nitrogen dioxide concentration varies according to season," Burrows adds. "There is more in the winter as a result of differing emis...

Give thanks for the cranberry, say dental researchers

...k of plaque, known as a glucan. Like a mason using cement to build a wall brick by brick, bacteria use enzymes known as glucosyltransferases to build dental plaque piece by piece, quickly forming a gunky fortress that covers the tooth and gives bacteria a safe haven to munch on sugar, thrive, and churn out ...

Biodiversity hotspots identify conservation priorities

... was produced by CEMEX, one of the world's largest cement manufacturers, in collaboration with Conservation International, Agrupación Sierra Madre, and the University of Virginia. It was edited by Russell Mittermeier, Gustavo A.B. da Fonseca, Michael Hoffmann, John Pilgrim, Thomas Brooks, Patricio Robles Gi...

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